Home / 13,230.69-18,259.29-8,746.65

Finding the Fourth Proportional to 13,230.69, 18,259.29 and 8,746.65

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Solution

The fourth proportional to 13,230.69, 18,259.29 and 8,746.65 is: 12,071.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.69 : 18,259.29 = 8,746.65 : x
  2. Step 2: Convert to fraction form
    13,230.69/18,259.29 = 8,746.65/x
  3. Step 3: Cross multiply
    13,230.69x = 18,259.29 × 8,746.65
  4. Step 4: Simplify right side
    13,230.69x = 159,707,618.88
  5. Step 5: Solve for x
    x = 159,707,618.88/13,230.69
  6. Step 6: Final answer
    x = 12,071.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.